<?php
namespace app\admin\validate;

use think\Validate;

class AdminUser extends Validate {
    protected $rule = [
        'username' => 'require',
        'password' => 'require',
        'captcha' => 'require|checkCapcha',
    ];

    protected $message = [
        'username' => '用户名必须',
        'password' => '密码必须',
        'captcha' => '验证码必须',
    ];

    protected function checkCapcha($value, $rule, $data = []) {
        if (!captcha_check($value)){
            return '你输入的验证码不正确';
        }
        return true;
    }
}